
public class Test {
    public static void main(String[] args) {

        Student student1=new Student();
//        student1.name="xx";
//        student1.age=67;
        student1.setName("xx");
        student1.setAge(66);
        student1.doClass();
        System.out.println(student1.getName());

        Student student2=new Student("oo",33);
//        student2.name="ii";
//        student2.age=99;
        student2.setName("yy");
        student2.setAge(78);
        student2.doClass();

        Student student3=new Student("zz",23);
        Student student4=new Student("ss",34);
        Student student5=new Student("tt",21);
        System.out.println(Student.classRoom);


    }

}
